YES he has written other books.
Armstrong Sperry wrote over 30 books during his career. He was an author and illustrator known for his works in children's literature, particularly focusing on adventure and maritime themes. Some of his notable works include "Call It Courage" and "All Sail Set."
Armstrong Sperry wrote Call It Courage.
Jennifer Roy wrote Yellow Star; Mindblind; Triple Trouble; Take Two; and Times Squared.
He has wrote loads of other books than therrs a boy in a girls bathroom and holes which was turned into a movie
J.K. Rowling wrote 7 Harry Potter books to the series plus she wrote three other books that aren't in the series but they do have to do with Harry Potter. So in all she wrote 10 books.
Kathryn Lasky. She wrote the other books in the franchise too.
7 harry potter and 3 other books.
Joshua and Nehemiah both wrote the books in the Bible that bear their names. It is not known if they wrote other books in the Bible.
Kenneth Thompson wrote Where Do Camels Belong? He also wrote Why Do We Need Pandas? Other books by him include The Skeptical Gardener and No Nettles Required.
The person who wrote the book The Giver is Lois Lowry. He also wrote a lot of other good books to.
EB White wrote Stuart Little and Charlotte's Web.
he wrote fourteen books